CN101619217A - Rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material - Google Patents

Rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material Download PDF

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CN101619217A
CN101619217A CN200810071326A CN200810071326A CN101619217A CN 101619217 A CN101619217 A CN 101619217A CN 200810071326 A CN200810071326 A CN 200810071326A CN 200810071326 A CN200810071326 A CN 200810071326A CN 101619217 A CN101619217 A CN 101619217A
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luminous material
light nanometer
novel white
nanometer luminous
white
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涂朝阳
吕万聪
游振宇
朱昭捷
李坚富
王燕
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Fujian Institute of Research on the Structure of Matter of CAS
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Fujian Institute of Research on the Structure of Matter of CAS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

The invention relates to a rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material. The novel white-light nanometer luminous material has a chemical formula Yb<3+>:Er<3+>:Tm<3+>:YAlO3. Yttrium oxide Y2O3, ytterbium oxide Yb2O3, erbium oxide Er2O3 and thulium oxide Tm2O3 with 5N purity, aluminium nitrate Al(NO3)3 with 4N purity, and analytic pure nitric acid HNO3, glycine HO2CCH2NH2, citric acid monohydrate C6H8O7.H2O and ammonia water NH4NO3 are taken as raw materials, and are subjected to liquid phase reaction and high-temperature combustion reaction to form the Yb<3+>:Er<3+>:Tm<3+>:YAlO3 novel white-light nanometer luminous material. The material is used in the fields such as illumination, display, detection systems and the like.

Description

A kind of rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material
Technical field
The present invention relates to the nano luminescent material field.
Background technology
The synthetic YAlO of institute 3Crystal belongs to hexagonal system, and spacer is P6 3/ mmc, unit cell parameters is:
Figure S2008100713268D00011
YAlO 3The symmetry of the crystallographic site at the Y ion place in the crystalline structure is D 2, ion Yb can be activated 3+, Er 3+, Tm 3+Replace, luminous efficiency is higher.Yb 3+Ion can absorb the 980nmLD pump light source effectively, and gives Er transmission ofenergy effectively 3+And Tm 3+Ion is because Er 3+And Tm 3+The ionoluminescence characteristic makes Yb 3+: Er 3+: Tm 3+: YAlO 3Nano material can produce red, green, the blue three primary colours fluorescent emission of 654nm, 542nm, 524nm, 465nm and 484nm wave band, the emission that has just produced strong white light, so Yb under the pumping of 980nmLD light source 3+: Er 3+: Tm 3+: YAlO 3Nano material can be used as a kind of novel white light emitting material, in fields such as illumination, demonstration and detection systems good application prospects is arranged all.
Summary of the invention
The objective of the invention is to disclose a kind of novel white-light nanometer luminous material Yb 3+: Er 3+: Tm 3+: YAlO 3
The rare-earth ion activated novel gadolinium gallate white light nanometer luminescent material of the present invention's preparation, its chemical formula is Yb 3+: Er 3+: Tm 3+: YAlO 3, belonging to hexagonal system, spacer is P6 3/ mmc, unit cell parameters is:
Figure S2008100713268D00013
Figure S2008100713268D00014
Adopt the yttrium oxide Y of 5N purity 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, the aluminum nitrate Al (NO of 4N purity 3) 3, analytically pure nitric acid HNO 3, glycine HO 2CCH 2NH 2, hydration citric acid C 6H 8O 7H 2O and ammoniacal liquor NH 4NO 3As raw material, obtain Yb by liquid phase reaction and high-temp combustion reaction 3+: Er 3+: Tm 3+: YAlO 3Novel white-light nanometer luminous material.
The white-light nanometer luminous material material of the present invention's preparation is used for fields such as illumination, demonstration and detection system.
Yb 3+Ion can absorb the 980nmLD pump light source effectively, and gives Er transmission ofenergy effectively 3+And Tm 3+Ion is because Er 3+And Tm 3+The ionoluminescence characteristic makes Yb 3+: Er 3+: Tm 3+: YAlO 3Nano material can produce red, green, the blue three primary colours fluorescent emission of 654nm, 524nm, 542nm, 465nm and 484nm wave band, the emission that has just produced strong white light under the pumping of 980nmLD light source.
Embodiment
Embodiment 1:
Nano material has many synthesis preparation methods, combustion method is a kind of easy synthetic method, this method has that equipment is simple, cost is low, granularity is little, productive rate and purity advantages of higher, and is well suited for preparation poly phase composite oxide nano material, therefore adopts this method to prepare Yb 3+: Er 3+: Tm 3+: YAlO 3Nano luminescent material.Raw materials used is the yttrium oxide Y of 5N purity 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, the aluminum nitrate Al (NO of 4N purity 3) 3, analytically pure nitric acid HNO 3, hydration citric acid C 6H 8O 7H 2O and ammoniacal liquor NH 4NO 3The mol ratio of citric acid and total metal ion was got 1: 1.
According to the doping ratio of atomic molar, take by weighing a certain amount of yttrium oxide Y than Tm/Er/Yb/Y=1/1/4/96 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, raw material, and heating is dissolved in nitric acid HNO 3, make mixing liquid; Then according to YAlO 3The stoichiometric ratio of molecular formula takes by weighing a certain amount of aluminum nitrate Al (NO 3) 3, and with above-mentioned Y (NO 3) 3, Tm (NO 3) 3, Yb (NO 3) 3, Er (NO 3) 3Mixing liquid mixes, and again mixing liquid is poured into a certain amount of deionized water and hydration citric acid C 6H 8O 7H 2React in the mixing liquid of O, its reaction equation is as follows:
Re(NO 3) 3+Al(NO 3) 3+C 6H 8O 7→ReAlO 3+CO 2+H 2O+NO 2+N 2
Wherein the atomic molar of Re ratio is: Tm/Er/Yb/Y=1/1/4/96
Next adopt ammoniacal liquor NH 4NO 3It is 3.0 that titration is adjusted to pH value, then the water evaporates of solution, just can obtain yellow xerogel, yellow xerogel is positioned in the retort furnace that is heated to 855 ℃ in advance burnt 10 minutes at last, just obtains the fluffy Yb of white 3+: Er 3+: Tm 3+: YAlO 3Nano luminescent material.This nano luminescent material all has good application prospects in fields such as illumination, demonstration and detection systems.
Embodiment 2:
Nano material has many synthesis preparation methods, combustion method is a kind of easy synthetic method, this method has that equipment is simple, cost is low, granularity is little, productive rate and purity advantages of higher, and is well suited for preparation poly phase composite oxide nano material, therefore adopts this method to prepare Yb 3+: Er 3+: Tm 3+: YAlO 3Nano luminescent material.Raw materials used is the yttrium oxide Y of 5N purity 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, the aluminum nitrate Al (NO of 4N purity 3) 3, analytically pure nitric acid HNO 3, glycine HO 2CCH 2NH 2With ammoniacal liquor NH 4NO 3The mol ratio of glycine and total metal ion was got 1: 1.
According to the doping ratio of atomic molar, take by weighing a certain amount of yttrium oxide Y than Tm/Er/Yb/Y=1/1/4/96 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, raw material, and heating is dissolved in nitric acid HNO 3, make mixing liquid; Then according to YAlO 3The stoichiometric ratio of molecular formula takes by weighing a certain amount of aluminum nitrate Al (NO 3) 3, and with above-mentioned Y (NO 3) 3, Tm (NO 3) 3, Yb (NO 3) 3, Er (NO 3) 3Mixing liquid mixes, and again mixing liquid is poured into a certain amount of deionized water and glycine HO 2CCH 2NH 2Mixing liquid in react, its reaction equation is as follows:
Re(NO 3) 3+Al(NO 3) 3+HO 2CCH 2NH 2→
ReAlO 3+CO 2+H 2O+NO 2+N 2
Wherein Re atomic molar ratio is: Tm/Er/Yb/Y=1/1/4/96
Next adopt ammoniacal liquor NH 4NO 3It is 3.0 that titration is adjusted to pH value, then the water evaporates of solution, just can obtain yellow xerogel, yellow xerogel is positioned in the retort furnace that is heated to 900 ℃ in advance burnt 10 minutes at last, just obtains the fluffy Yb of white 3+: Er 3+: Tm 3+: YAlO 3Nano luminescent material.This nano luminescent material all has good application prospects in fields such as illumination, demonstration and detection systems.

Claims (3)

1. rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material, it is characterized in that: the chemical formula of novel white-light nanometer luminous material is Yb 3+: Er 3+: Tm 3+: YAlO 3, belonging to hexagonal system, spacer is P6 3/ mmc, unit cell parameters is: a=3.678
Figure A2008100713260002C1
C=10.48
Figure A2008100713260002C2
V=122.81
Figure A2008100713260002C3
2. the preparation method of the white-light nanometer luminous material of a claim 1 is characterized in that: the yttrium oxide Y that adopts 5N purity 2O 3, ytterbium oxide Yb 2O 3, Erbium trioxide Er 2O 3, trioxide Tm 2O 3, the aluminum nitrate Al (NO of 4N purity 3) 3, analytically pure nitric acid HNO 3, glycine HO 2CCH 2NH 2, hydration citric acid C 6H 8O 7H 2O and ammoniacal liquor NH 4NO 3As raw material, obtain Yb by liquid phase reaction and high-temp combustion reaction 3+: Er 3+: Tm 3+: YAlO 3Novel white-light nanometer luminous material.
3. the purposes of the novel white-light nanometer luminous material of a claim 1, it is characterized in that: this material is used for illumination, demonstration and detection system field.
CN200810071326A 2008-07-03 2008-07-03 Rare-earth ion activated yttrium aluminate novel white-light nanometer luminous material Pending CN101619217A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102533271A (en) * 2010-12-16 2012-07-04 中国科学院福建物质结构研究所 Novel praseodymium-activated hexagonal yttrium aluminate white light nanometer luminescent material
CN102560663A (en) * 2012-02-13 2012-07-11 中国科学院合肥物质科学研究院 2.8-3 micrometers laser crystal and its preparation method
CN102559182A (en) * 2010-12-16 2012-07-11 中国科学院福建物质结构研究所 Novel white-light nano-luminescent material of yttrium aluminate activated by dysprosium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SANG DO HAN ET AL.: "Combustion synthesis and luminescent properties of Eu3+-doped LnAlO3 (Ln =Y and Gd) phosphors", 《MATERIALS SCIENCE AND ENGINEERING B》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102533271A (en) * 2010-12-16 2012-07-04 中国科学院福建物质结构研究所 Novel praseodymium-activated hexagonal yttrium aluminate white light nanometer luminescent material
CN102559182A (en) * 2010-12-16 2012-07-11 中国科学院福建物质结构研究所 Novel white-light nano-luminescent material of yttrium aluminate activated by dysprosium
CN102560663A (en) * 2012-02-13 2012-07-11 中国科学院合肥物质科学研究院 2.8-3 micrometers laser crystal and its preparation method
CN102560663B (en) * 2012-02-13 2015-04-15 中国科学院合肥物质科学研究院 2.8-3 micrometers laser crystal and its preparation method

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Application publication date: 20100106